frequency Learn more about frequency
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Trapping and killing effect of Jiaduo Frequency vibrating Insecticidal Lamp on Chilo suppressalis
Rice stem borer (Chilo suppressalis) is one of the important pests in rice production in Wuchang City. In recent years, with the change of rice varieties and the warming of climatic conditions in our city, the occurrence and harm of rice stem borer (Chilo suppressalis) is becoming more and more serious. According to the investigation this autumn, the average number of insects per mu of individual varieties of Wuchang reached more than 20, 000, and the highest number in key areas was as high as 60, 000, even more than 100000, which is rare in history, whether at home or abroad. In order to further control the damage of Chilo suppressalis, explore new ways to control Chilo suppressalis and reduce the pollution of insecticides to rice. Our city is in Wuchang this year.
2019-01-16 -
Is it just a cover for variable frequency air conditioners to save power? The electricity bill goes up in summer. I really got kicked in the head by a donkey.
Air conditioning is really too important in summer. In such a hot summer, air conditioning can save lives. When we buy air conditioners, we have to consider comprehensively. One is to save electricity and the other is easy to use. These two points are almost in line with each other.
2018-07-31 -
How to grasp the frequency and time of orchid fertilizer application?
How to grasp the frequency and time of orchid fertilizer application?
2020-10-22 -
Cactus culture method watering frequency depends on the season
Cactus culture method watering frequency depends on the season
2019-02-25 -
How often do orchids are watered?
How often do orchids are watered?
2020-11-14 -
How to fertilize potted mint, pay attention to the frequency of fertilization / apply thin fertilizer frequently
In the process of mint culture, fertilizer is a very important nutrient, which determines whether peppermint can grow more healthily, so fertilization is indispensable in the process of growth, but the more fertilization, the better. It is still necessary to master the method and degree, about how to fertilize potted mint.
2018-12-21 -
The watering frequency of green pineapple and rich trees is sure to be useful.
Green pineapple is a kind of plant that is extremely easy to feed, but many flower friends still responded: the green pineapple they raised died very quickly. What on earth is going on? In fact, the main reason is that the flower friends are not watered properly.
2018-06-07 -
How often is it appropriate to change the water for hydroponic green apple?
Green pineapple can be cultivated not only in soil, but also in hydroponics, and the most worrying thing about hydroponic green pineapple is to change water. If the science of water exchange is of great significance to its growth, otherwise it may have a negative impact on its growth. So, how often is it appropriate to change the water of hydroponic green apple?
2019-06-06 -
Period and frequency of jujube calender
Period and frequency of jujube calender
2018-07-24 -
How to water Calendula, Calendula watering method/control watering frequency
Calendula is a kind of ornamental flower plant, in many gardens in our country can see its figure, but want it to have ornamental, then we in the process of breeding Calendula is a little can not be careless, of which watering is essential. So how do you water Calendula?
2018-12-17 -
The frequency of the watering method of aloe in the four seasons should be grasped.
The frequency of the watering method of aloe in the four seasons should be grasped.
2019-02-28 -
What if the green apple wilts? pay attention to the method and frequency of watering.
What if the green apple wilts? pay attention to the method and frequency of watering.
2019-03-02 -
How to control the frequency and time of orchid fertilization
Orchid fertilization season should start in late spring and end in late autumn, that is, concentrated in the growing season. It can be done once a day, 2-3 days or once a week, depending on the situation. After fertilization, water should be watered at certain intervals to facilitate the absorption of fertilizer and to clean the remaining fertilizer. When fertilizing, the temperature is moderate, one...
2018-03-05 -
What to do if the glass leaves turn yellow / increase the ambient humidity / control the watering frequency
Glass Cui is a common flower plant in people's life, which is highly ornamental. If the leaves of ornamental plants turn yellow, it will affect their aesthetic feeling, and Glass Cui is no exception. What about the yellowing of the glass leaves? Next, the editor will take you to learn about it.
2018-12-22 -
The three diseases with high frequency of Gardenia jasminoides are only prevented and treated in advance.
Gardenia is a favorite flower for many flower friends. It is evergreen all the year round. When the flowers bloom, the flowers are white, fragrant and elegant, green and white with green leaves, especially beautiful and lovely. Gardenia is good-looking, but it is often sick, especially these three diseases are high frequency.
2018-07-19 -
Green pineapple leaves old yellow? Correct watering method and frequency of green pineapple in home
Green pineapple, known as the "flower of life", not only has high ornamental value, but also can effectively absorb harmful gases such as formaldehyde in the air, so it is very popular. However, once the green apple is watered improperly, it will cause yellow leaves, rotten roots and so on.
2018-05-09 -
How to do pansy leaves yellowing, pay attention to these four points to help you easily solve/hydrating/shading
Pansy is a common flower in people's life, with a high ornamental, if you want it to bloom beautiful flowers, the process of conservation can not be careless, if the maintenance is not appropriate, it is easy to appear yellow leaves and other phenomena, then pansy leaves yellow how to do it?
2018-12-20 -
The increasing frequency and severity of extreme weather will cause developing countries to face food
Droughts, floods and other extreme weather have become increasingly frequent in the past 30 years, raising the threat to food security in developing countries, the United Nations Food and Agriculture Organization (FAO) said Tuesday. FAO pointed out in the report that from 2003 to 2013, nature
2015-12-26 Extreme climate increasingly frequent serious will lead to according to the Central News Agency -
How to water bonsai-watering method of bonsai
The most complicated step to take care of the bonsai is to water it properly. The frequency of watering trees depends on several factors, such as tree species, tree size, flowerpot size, season, soil composition and climate. Therefore, it is basically impossible to point out the correct frequency. However, after understanding the following basic guidelines
2019-06-10 -
The breeding method of white snowflake varies with watering frequency in different seasons, and fertilization promotes flowering.
Soil: White snowflakes are suitable for cultivation in mixed soils such as garden soil, rotten leaf soil and coarse sand. Light temperature: White snowflakes love sunlight, and the suitable growth temperature is 18-25 ℃, but proper shade is needed in summer. Watering: water every morning and evening in summer, spring and autumn
2020-11-08 Snow flower culture methods seasons watering frequency different